Ring binder



FIG. 1 is a perspective view of a ring binder showing my new design with the rings in the closed position;

FIG. 2 is a view similar to FIG. 1 with the rings in the open position;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left end elevational view thereof with the rings in the closed position, the right end being a mirror image thereof; and,

FIG. 6 is a left end elevational view thereof with the rings in the open position.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a ring binder, as shown and described. 